* {
    margin: 0;
    padding: 0;
}

body {
    overflow: hidden;
}

.box {
    z-index: 0;
    width: 1200px;
    height: 800px;
    margin-top: 10px;
    border-radius: 80px;
    display: flex;
    flex-wrap: wrap;
    align-content: center;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.box .card {
    width: 380px;
    height: 380px;
    border: 30px solid transparent;
    border: 1px solid #B8D672;
    text-align: center;
    line-height: 380px;
}

#LinYiBtn {
    display: inline-block;
    width: 100%;
    height: 100%;
    background-image: url(../img/咆哮.jpg);
    background-size: contain;
    border: none;
}

#qianDiv {
    width: 100%;
    height: 100%;
    background: url(../img/沙发.jpg);
    background-size: 100%;
}

.yy {
    width: 100%;
    height: 100%;
    background: url(../img/问号.jpg);
}

#kaiZhou {
    width: 100%;
    height: 100%;
    /* border: 1px solid palegreen; */
    border-radius: 5px;
    line-height: 200px;
    text-align: center;
    background-color: skyblue;
    margin: 0 auto;
    font-weight: 700;
    color: #fff;
    font-size: 20px;
    background: url(../img/背锅.jpg) center center;
    background-size: 100%;
    position: relative;
}
#fly {
    display: inline-block;
    width: 100%;
    height: 100%;
    background-image: url(../img/奥特曼.jpg);
    background-size: contain;
    border: none;
}
.justinLawDiv{
    width: 100%;
    height: 100%;
    background-image: url('../img/不讲武德.jpg');
    background-size: 100% 100%;
    font-size: 30px;
    animation: changeColor 2s linear infinite;
    animation-direction: alternate;;
    line-height: 50px;
    text-align: center;
    font-weight: 700;
  }
  @keyframes changeColor {
    from {
      color: gold;
    }

    to {
      color: skyblue;
    }
  }